Home / 538,723.49-743,404.78-297,006.06

Finding the Fourth Proportional to 538,723.49, 743,404.78 and 297,006.06

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Solution

The fourth proportional to 538,723.49, 743,404.78 and 297,006.06 is: 409,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,723.49 : 743,404.78 = 297,006.06 : x
  2. Step 2: Convert to fraction form
    538,723.49/743,404.78 = 297,006.06/x
  3. Step 3: Cross multiply
    538,723.49x = 743,404.78 × 297,006.06
  4. Step 4: Simplify right side
    538,723.49x = 220,795,727,851.99
  5. Step 5: Solve for x
    x = 220,795,727,851.99/538,723.49
  6. Step 6: Final answer
    x = 409,849.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.